These example sentences are selected automatically from various online news sources to reflect current usage of the word 'house mouse.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Statistics for house mouse

The first known use of house mouse was
circa 1555

Medical Definition of house mouse

: a mouse that frequents housesespecially: a common nearly cosmopolitan grayish-brown mouse of the genus Mus (M. musculus) that lives and breeds about buildings, is an important laboratory animal, and is an important pest as a consumer of human food and as a vector of diseases